Origami, the Japanese art of paper folding, originally evolved from ceremonial wrapping practices used for gifts.

Michael Phelps is one of the most decorated Olympians in history.

The human voice is the only musical instrument capable of producing language simultaneously with music.

During his entire lifetime, Vincent Van Gogh is known to have sold only a single painting.

Beethoven's Fifth Symphony opens with one of the most recognizable motifs in classical music — four notes long.

The Portuguese word 'saudade' describes a nostalgic longing for something loved and lost — it has no direct English equivalent.

The marimba originated in Africa and was brought to Latin America during the slave trade.

About 50% of marriages end in divorce in many developed countries.

Islam has five pillars: faith, prayer five times daily, charitable giving, fasting during Ramadan, and pilgrimage to Mecca.